High Quality Content by WIKIPEDIA articles! Bidens vulgata is a species of flowering plant in the daisy family known by the common name big devils beggartick. It is native to eastern North America, where it is a plant of wetlands. It is an introduced species in much of western North America as well as parts of Europe. This is an annual herb producing a hairy stem which generally grows 30 to 50 centimeters tall but often grows much taller, exceeding one meter. The leaves are made up of several lance-shaped leaflets each up to 8 centimeters long. The inflorescence produces small flower heads with centers of yellow disc florets and a fringe of 3 to 5 yellow ray florets a few millimeters in length. Some heads lack ray florets. The fruit is a flattened achene with two sharp barbs at one end.

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